University of Illinois Urbana-Champaign

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Showing 271–300 of 1,634 items
Thumbnail for Illinois River Natural Resources Bibliography
Illinois River Natural Resources Bibliography
Pegg, Mark A.; Havera, Stephen P.

Thumbnail for Bedrock geology of Murphysboro Quadrangle, Jackson County, Illinois
Bedrock geology of Murphysboro Quadrangle, Jackson County, Illinois
Jacobson, Russell J.; Denny, F. Brett; Griffith, Gary W.